ISRC DEF057731839
Verified recording
DEF057731839 is “Pique Dame, Op. 68, TH. 10 / Act II: "Kak ty mila"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x455e606aeac1a6603711db2d69a7f7210c522625e8252843efad19595e00bd81 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731839.
Recording identifiers
- ISRC
- DEF057731839
- Title
- Pique Dame, Op. 68, TH. 10 / Act II: "Kak ty mila"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x455e606aeac1a6603711db2d69a7f7210c522625e8252843efad19595e00bd81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:62632651ec6b5f248655e227cf825fbbdfb7cd413548cb05699fc71f3ef5cd53- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731839
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act II: "Kak ty mila" · Machine-readable JSON-LD